Generally speaking, there is no clear rule about whether to eat before or after meals, but there is a principle that your body can adapt. As for before or after meals, the effect is not particularly different. \ x0d \ x0d \ just, some people have bad stomachs and are not suitable for eating on an empty stomach before meals, otherwise it will cause diarrhea. It is best to eat something before eating enzymes (but not too full); However, if some people have a good stomach, they can choose to eat on an empty stomach, and the effect of eating on an empty stomach will be very good, especially drinking a cup of enzyme on an empty stomach in the morning can effectively improve constipation.